ci: append the path to package docs when autogenerating README.md (#516)

Author: sindharta

.github/workflows/update-readme.yml

@@ -29,7 +29,7 @@ jobs:
         id: read-doc-index
         uses: unity3d-jp/actions/read-file@main
         with:
-          filepath: 'com.unity.toonshader/Documentation~/index.md'
+          filepath: 'com.unity.toonshader/Documentation~/TableOfContents.md'
       - name: Overwrite Readme with Index
         id: overwrite-readme-with-index
         run: |
@@ -67,7 +67,7 @@ jobs:
         uses: unity3d-jp/actions/append-md-local-url@main
         with:
           filepath: 'README.md'
-          prefix: 'Documentation~/'
+          prefix: 'com.unity.toonshader/Documentation~/'
       - name: git setting
         run: |
           git config --local user.email "github-actions[bot]@users.noreply.github.com"

AutoGenerateParts/ReadmeFooter.md

@@ -8,19 +8,19 @@ To resolve this, follow the steps below to enable symbolic link creation and con
 
 1. Open **Local Security Policy** by typing `secpol.msc` on Windows Command Prompt
 
-![](Images/CreateSymbolicLinks_LocalSecurityPolicy.jpg)
+![](https://github.com/Unity-Technologies/com.unity.toonshader/tree/master/Images/CreateSymbolicLinks_LocalSecurityPolicy.jpg)
 
 
 2. Under **User Rights Assignment**, find a policy called **Create symbolic links** and open it.
   - Click **Add User or Group**
   - Click **Object Types**
   - Make sure **Groups** is checked and click **OK**.
 
-![](Images/CreateSymbolicLinks_Properties.jpg)
+![](https://github.com/Unity-Technologies/com.unity.toonshader/tree/master/Images/CreateSymbolicLinks_Properties.jpg)
 
 3. Type **USERS** inside the textbox and click on **Check Names** to verify it, then click **OK**.
 
-![](Images/CreateSymbolicLinks_SelectUsers.jpg)
+![](https://github.com/Unity-Technologies/com.unity.toonshader/tree/master/Images/CreateSymbolicLinks_SelectUsers.jpg)
 
 4. Configure git to allow symbolic links. For example, by typing the following in Git Bash: